Country size comparison
compared to
Guyana is about 8 times smaller than Iran.
Iran is approximately 1,648,195 sq km, while Guyana is approximately 214,969 sq km, making Guyana 13.04% the size of Iran. Meanwhile, the population of Iran is ~86.8 million people (86.0 million fewer people live in Guyana).
Compare further: Guyana vs. Iran